You Do Need power plug adapter while traveling from Seychelles to Syria.

Here is Why You Need An Adapter

The outlet and plug type used in Syria are C, E and L and in Seychelles is G. This is how they look like.

Seychelles

In Seychelles, outlets of type G are in use.

Type G

Syria

In Syria, outlets of type C, E and L are in use.

Type C

Type E

Type L